---
id: "CVE-2022-32894"
kind: "vulnerability"
aliases: ["CVE-2022-32894"]
title: "An out-of-bounds write issue was addressed with improved bounds checking"
severity: "high"
cvss: 7.8
epss: 0.03286
exploited: true
status: "open"
category: "vendor"
products: [{"name": "Apple iOS and macOS", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "apple ipados", "fixed": ["15.6.1"], "affected": "< 15.6.1", "ecosystem": "vendor"}, {"name": "apple iphone os", "fixed": ["15.6.1"], "affected": "< 15.6.1", "ecosystem": "vendor"}, {"name": "apple macos", "fixed": ["11.7"], "affected": ">= 11.0, < 11.7", "ecosystem": "vendor"}, {"name": "apple macos", "fixed": ["12.5.1"], "affected": ">= 12.0, < 12.5.1", "ecosystem": "vendor"}, {"name": "apple watchos", "fixed": ["9.0"], "affected": "< 9.0", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["apple-devices", "exploited", "ios", "macos", "vendor"]
not_affected_if: ["unpatched-version-not-in-use"]
published_at: "2022-08-18T00:00:00+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T22:29:04+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-32894", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-32894", "first_seen_at": "2026-10-23T19:13:45+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-32894", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# An out-of-bounds write issue was addressed with improved bounds checking

Apple iOS and macOS contain an out-of-bounds write flaw that lets an application run code with kernel privileges. CISA lists it as actively exploited in the wild.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Apple iOS and macOS affected ? fixed ?
- vendor:apple ipados affected < 15.6.1 fixed 15.6.1
- vendor:apple iphone os affected < 15.6.1 fixed 15.6.1
- vendor:apple macos affected >= 11.0, < 11.7 fixed 11.7
- vendor:apple macos affected >= 12.0, < 12.5.1 fixed 12.5.1
- vendor:apple watchos affected < 9.0 fixed 9.0

## How to check

Check the device OS version under Settings > General > About (iOS) or About This Mac (macOS) and compare it to Apple's security notes for CVE-2022-32894.

## Fix

Update iOS and macOS to a release Apple lists as fixing CVE-2022-32894.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-32894
- 2026-10-23T19:13:45+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2022-32894
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2022-32894

## From the sources

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_